Combined door fastener and alarm.



E. TROETEL. GOMBINED DOOR FASTENER AND ALARM.

APPLICATION FIL-ED MAR. 19, 1909. RENEWED JAN.14, 1913.

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ELIAS TBOETEL, OF NEW YORK, N. Y., ASSIGNOR TO TROETEL BURGLAR ALARM-LOCK COMPANY, A CORPORATION OF NEW YORK.

COMBINED DOOR FASTENER AND ALARM.

1,95%,152. Specification of Letters Patent. Patented F91 25, 1913 Continuation of application Serial No. 429,035, filed April 24, 1908. This application filed March 19, 1909, Serial No. 484,600. Renewed January 14, 1913. Serial No. 742,066.

To ((ZZ 107mm 2'25 may concern. The door a is preferably cut away for the Be it known that I, ELIAS T ROETEL, a sub reception of the base plate 9 of my invenject of the Queen of the Netherlands, residtion, which is preferably made rectangular ing at New York. in the count-y of New in form, and fastened to the door by screws York and State of New York, have invented it, although any desired means for fasten certain new and useful Improvements in ing it to the door may be used. On the face Combined Door Fasteners and Alarms; and of the plate are lugs 27, in which is mount- I do hereby declare the following to be a ed a pintle the whole forming a hinge, full, clear, and exact description of the insaid pintle being firmly attached to the rigid vention, such as will enable others skilled in bar it, carrying on its under side a bell n, the art to which it appertains to make and of any desired type, the operating lever of use the same. which is shown at 0. I

My invention relates to combined door fas- On the bottom of the bar /a are fixed per teners and alarms and analogous devices. forated lugs 29, and in these lugs a rod This application is a continuation of my provided with an operating handle at, slides prior application Serial Number 129,035. freely. Around the rod g and between the Various objects of my invention are to lugs p is a spiral spring 1", which bears at provide a simple apparatus of this character one end against one of said lugs 72 and at the which can be easily and readily swung up other end against the pin L, which passes into an inoperative position when it is not through the rod 9. desired to use it, which will give an alarm When it is desired to throw the device out 75 on the opening of the door, which will close of use, as often happens in the day time, the door automatically after the pressure it is swung up into the position shown in thereon released, which besides having an Fig. 3, and in dotted lines in Fig. 2. Above appropriate alarm feature embraces a strong, the plate f is mounted a securing device, durable and exceptionally eflicient fastener which consists of parts 8, secured to the door or locking arrangement. by screws or other suitable fastening means, Various other objects. features and adand a part it bent outwardly from the parts vantages will more clearly appear from the 8. On the part it is slidably mounted a sedetailed description given below taken in curing device o, consisting of two loops, one connection with the accompanying drawing of which engages the part a and the other which forms a part of this specification. of which is adapted to slip down over the In the accompanying drawings-Figure upper end of the bar 70 when the latter has 1 is a perspective view of the lower part of a been swung upward, as shown in Fig. 3. door and contiguous parts of a building, It should be noted that the bar it is mount. showing my invention applied thereto. Fig. ed on the door quite close to the bottom 2 is a cross section of the door and a part thereof, so that if an attempt should be made of the floor, my invention being shown in to open the door, the thrust on the bar 70 side elevation. Fig. 3 is a front view of a will be nearly along the longitudinal direcpart of the door, showing my invention tion thereof. Furthermore, the bar is is when not in use. Fig. 4 is a perspective firmly attached to the door, so that said bar view of the catch. will not yield to thrust strains. This bar (1 represents a door of any usual or de- Zr, being rigid and set almost horizontally, sired form. and Z) the floor inside the door. forms a positive fastening against the open This floor is cut away for the reception of ing of the door more than a crack. a hollow metal catch 0, which consists of a The operation is as follows: The parts be rectangular piece of metal, having a small ing in the position shown in Fig. 3, the bar socket (Z, and cut away at e, leaving a curved 7a is released from its securing means, and, over back, said catch preferably being fasthe door being closed, the spring a" is slightly tened in a recess in the floor by screws f. compressed by the handle m, and the bar is Of course the catch might be fastened on the swung down into its lowest position. The top ofthc floor withoutcutting the latter handle m is then released, whereupon the away, but the arrangement mentioned above spring a" forces the rod Q into the socket (Z, is preferable. the parts being then in the position best shown in full lines in Fig. 2. As the end of the rod Q enters the socket d, the edge of which overhangs, as shown, it is impossible for a burglar to slip a case knife or thin piece of steel underneath the door and thus dislodge the rod from the socket (Z. If the door is opened the slightest degree, the bell n is at once operated, giving an alarm, and the bar is engages the back of the catch 0, preventing the door from being opened more than a crack. As soon as the pressure on the door is released, the spring 1' closes the door again. The socket (Z and the plate 7 serve to prevent the floor and the door from being injured when itis attempted to open the door, at the same time, however, allowing the alarm to be operated. It should also be noted that the spring 2* will automatically close the door as soon as the pressure on said door is released, and that the bell will be operated indefinitely by the opening of the door. It should also be noted that two functions are provided for in this invention namely the locking function and the alarm function. For the locking function applicant provides a rigid bar extending between the door and a catch in the floor. This is entirely independent of the other function, and this part of the device could be used alone, if desired. For the alarm function applicant provides an extra rod which coacts with the other parts to ring the bell. By divorcing these functions, applicant is enabled to have a rigid bar. the strength of which in no way interfered with by the alarm feature.

I claim:

1. The combination of a door, a rigid bar or plate hinged to the said door, a. bell. carried by said bar or plate, a rod slidably mounted on said bar or plate, a. spring normally holding said rod clear of engagement from said bell, the said rod engaging said bell when pressed against the action of said spring, and a catch secured to the floor, and

having means adapted to successively engage said rod and said bar when the door is opened, substantially as described.

2. The combination of a door, a rigid bar pivotally secured thereto, said bar carrying a bell, a spring pressed rod carried by said bar engaging said bell at its upper end when pressed against the action of said spring and a catch sunk in the floor and having means to engage said rod and said bar, successively, when the door opened, substantially as described.

The combination of a door, a rigid bar carried thereby,-a bell carried by said bar, a sliding rod carried by said bar and project ing beneath the free end thereof and adapted to operate said bell, a spring surrounding and normally holding said rod out of engagement with said bell, said rod being provided with a projecting handle for moving said rod to compress said spring. and a catch sunk in the floor and having means for successively engaging said rod and said bar, when the door is opened, substantially as de scribed. 7

4E. The combination of a door, a rigid bar hinged thereto, and adapted to swing up into an inoperative position. a bell carried by said bar, perforated lugs on the bottom of said bar, a sliding rod supported in said lugs, and adapted when moved to operate said bell, the said rod normally projecting beneath the end of said bar, a spring surrounding and engaging said rod and located between said lugs, and a catch sunk in the floor, and having means for successively engaging said rod and said bar, when the door is opened, substantially as described.

In testimony whereof, I atliX my signature, in presence of two witnesses.

ELIAS TR OETEL.

lVitnesses DENA Fncnns'rnm, ABRAHAM MANN.

Copies of this patent may be obtained for five cents each, by addressing the bommissioaer of Patents, Washington, D. G. 

